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Guangzhou Changfeng Steel Co., LTD
Home ProductsHot Rolled Steel Bar

Engineering Hot Rolled Steel Bar SCM440 SAE4140 1.7225 EN19 ISO

China Guangzhou Changfeng Steel Co., LTD certification
China Guangzhou Changfeng Steel Co., LTD certification
Gold supplier! Arranged shipment very fast, quality is super good. They are one of our best suppliers, will do more business with them in the future!

—— Ms Nguyen Thi Hong

We bought 7 containers from them in 2017, no quality problems. The boss is very nice and professional, good business parner!

—— Mr. Wan Rusli

Good job! Shipment was arranged fast, giving lots of good suggestions before place order, saved me time and money.

—— Mrs. Natntia Jitaniyompanich

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Engineering Hot Rolled Steel Bar SCM440 SAE4140 1.7225 EN19 ISO

Engineering Hot Rolled Steel Bar SCM440 SAE4140 1.7225 EN19 ISO
Engineering Hot Rolled Steel Bar SCM440 SAE4140 1.7225 EN19 ISO Engineering Hot Rolled Steel Bar SCM440 SAE4140 1.7225 EN19 ISO

Large Image :  Engineering Hot Rolled Steel Bar SCM440 SAE4140 1.7225 EN19 ISO

Product Details:
Place of Origin: China
Brand Name: Baosteel
Certification: ISO/TUV
Model Number: SAE4140/SCM440/1.7225/42CrMo/EN19
Payment & Shipping Terms:
Minimum Order Quantity: 3tons
Price: $720-800
Packaging Details: standard/customized
Delivery Time: 15-20days
Payment Terms: L/C, T/T
Supply Ability: 1000 tons / month
Detailed Product Description
Material: Alloy Steel Shape: Round Bar
Application: Mechanical Process Tech.: Hot Rolled/forged
Delivery Condition:: Hot Rolled/ Annealed/ Prehardened Stock: Yes
High Light:

hot rolled steel flat bar


hot rolled steel round bar

Special Steel Alloy Engineering Steel Bar (SCM440, SAE4140, 1.7225, EN19)


Perform Standard: GB/T 3077-1999

C Si Mn Cr Mo P S Ni
0.38~0.45 0.17~0.37 0.60~0.90 0.90~1.20 0.15-0.25 ≤0.018 ≤0.030 ≤0.012


1. Specification (Available Sizes)

Diameter: 16,18,20,23,25,28,30,33,35,38,40,43,45,48,50, 55,60,65,70,75,80,85,90,95,100,110,120,130,140, 150,160,170,180,190,200,210,220,230,240,250,260, 270,280,290,300,310,320,330,340,350,360,370,380, 390,400,410,420,430,440,450


2. Application
It used for section large forgings, such as locomotive traction gears, with supercharger drive gear, the rear axle, the connecting rod and the spring load greatly clip,oil drill pipe joints and fishing tools,etc.

3. Feature
1) Weldability suffers with increasing chromium content;
2) High temperature strength and high pressure hydrogenation properties are promoted by chromium and molybdenum;
3) Molybdenum significantly reduces temper brittleness;
4) Chromium renders steel oil hardenable and increase hardenability;
5) Chromium molybdenum high tensile steel with yield strength of 550N/mm2;

4. Mechanical Properties
Tensile strength:σb (MPa):≥1080(110)
Yield strength:σs (MPa):≥930(95)
Elongation:δ5 (%):≥12
Section shrinkage:ψ (%):≥45
Impact work:Akv (J):≥63
Impact toughness value:αkv (J/cm²):≥78(8)

5. Ready Stock 
Round Bar diameter 14-460mm.All the sizes as require can be customerized as fresh production with MOQ.

6. Delivery state
Hot rolled, Heat Treatment,black, hardness or tempered hardness:28-34 HRC.

7. Delivery time
For abundant stock, 15-20 days.For customized products, 30-50 days.
We have full set of equipement (sawing machine/grinding/polishing machine) to make customer's specification.

Listed specifications are only typical grades; products of required specifications can be developed/produced per international, Chinese or industry standards, or based on agreements with customers.


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Engineering Hot Rolled Steel Bar SCM440 SAE4140 1.7225 EN19 ISO 0Engineering Hot Rolled Steel Bar SCM440 SAE4140 1.7225 EN19 ISO 1



Company Profile:
Guangzhou Changfeng Steel Co., Ltd is an export company of Baogang group in south China specialized in exporting special steel, which contains Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Steel for Mechanical, High Speed Steel, Bearing Steel, Tool Steel, Stainless Steel, Carbon Steel, etc.

We also act on behalf of exporting steels of mainly steel factories in China, including Shagang group, Wenfeng group, Xingcheng group, Dongte group, Daye and so on. We are full of ten years export experience to the market all over the word, such as America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and middle-east.

Guangzhou Changfeng Steel Co., Ltd has rich experience and competent elites, which enable us to offer the best service after years of development. Our company equips with large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advanced equipments to provide customers with cutting and other processing services. We set up strict inspection procedures, including metallographic analysis, hardness test, ultrasonic flaw detection etc., in order to meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.

Our company keeps the principle of "sincerely cooperation, endless striving for perfection". We desire to establish the long-term mutual beneficial and win-win relationship with importers all over the word.



Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Ms. Echo

Tel: +86 18148729336

Fax: +86-020-8251-5866

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